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All Journal International Journal of Power Electronics and Drive Systems (IJPEDS)
Outana, Imane
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Control & Systems Engineering Electrical & Electronics Engineering

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Grey wolf optimization approach to optimal backstepping control for buck converter output voltage regulation Mouslim, Sana; Imodane, Belkasem; Outana, Imane; Oubella, M’hand; Boulaoutaq, El Mahfoud; Ajaamoum, Mohamed
International Journal of Power Electronics and Drive Systems (IJPEDS) Vol 17, No 1: March 2026
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijpeds.v17.i1.pp640-652

Abstract

DC-DC converters are essential in regulating voltage levels within DC power systems, relying on high-efficiency electronic switching devices such as MOSFETs to ensure effective power conversion. Despite their widespread use, one of the major challenges encountered in practical implementations lies in accurately tuning controller parameters particularly for nonlinear approaches such as the backstepping controller. While recent studies have demonstrated the effectiveness of particle swarm optimization (PSO) in enhancing backstepping control performance, further improvements remain possible. In this work, we propose the grey wolf optimization (GWO) algorithm as an advanced and efficient technique for the optimal tuning of backstepping controller parameters. The goal is to minimize the voltage tracking error between the reference and the output of the DC-DC buck converter, ensuring enhanced dynamic response and stability. Additionally, the proposed control strategy has been experimentally implemented and validated in a photovoltaic context, demonstrating its practical relevance and strong potential for real-world energy conversion applications.
Co-Authors Ajaamoum, Mohamed Boulaoutaq, El Mahfoud Imodane, Belkasem Mouslim, Sana Oubella, M’hand